neutron number

14 LETTERS · STARTS WITH N

neutron number is a valid 14-letter word worth 17 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1E1U1T1R1O1N1N1U1M3B3E1R1

1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 3 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does neutron number mean?